J.J. Johnson “Walkin’”

Discographic Information

Instrument tb
Total Duration 156.5 s
Position in Track 03:30-06:07
Album Title Walkin’
Label Prestige (PRLP 7076)
Recording Date 1954-04-29
Line Up Miles Davis (tp); Lucky Thompson (ts); J.J. Johnson (tb); Horace Silver (p); Percy Health (b); Kenny Clarke (dr)
Style HARDBOP
Key F-maj
Signature 4/4
Groove/Feel SWING
Tonality Class BLUES
MusicBrainz ID 019aaa17-2016-4b36-afe4-aa2bdee2fdbd
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Piano Roll

../../_images/PianoRoll_JJJohnson_Walkin'.jpg

MIDI

Download MIDI File

Transcription

Chord changes of solo:

A1: ||F7   |Bb7   |F7   |F7   |Bb7   |Bb7   |F7   |F7   |G-7   |C7   |F7   |G-7 C7 ||

Statistics

Features

Number of Notes 434  
Number of Bars 83 bars  
Number of Choruses 7  
Mean Tempo 127.9 (MEDIUM)  
Event Density 2.77 Notes/s  
Metrical Event Density 5.2 Notes/bar  
Median Swing Ratio 1.67:1 Ratio of longer to shorter eighth of beats with binary subdivision.
Metrical Centroid 2 Mean concentration of events in the bar, rounded and normalized to 4/4.
Syncopicity 32.9 % Share of syncopated notes.
Ambitus 51-74 (23) Min/max and range of MIDI pitches.
Extrema ratio 40.3 % Share of notes with direction reversal (i.e, minima and maxima of pitch contour).

Extended Chordal Diatonic Pitch Class Histogram

../../_images/JJJohnson_Walkin'_CDPCX_hist.png

Extended Chordal Diatonic Pitch Class is calculated in reference to the underlying chord.

Pitch Class Histogram

../../_images/JJJohnson_Walkin'_PC_hist.png

MIDI Pitch Histogram

../../_images/JJJohnson_Walkin'_PITCH_hist.png

Semitone Interval Histogram

../../_images/JJJohnson_Walkin'_INT_hist.png

Refined Contour Histogram

../../_images/JJJohnson_Walkin'_FUZZYINT_hist.png

Also known as “fuzzy intervals” or interval classification. See here for definition of classes

Metrical Circle Map (N=48) Histogram

../../_images/JJJohnson_Walkin'_MCM_hist.png

Metrical circle maps divides the bar duration into equal sized bins (48 in this case) and maps metrical positions to the corresponding bin. (Labels normalized to 4/4 measure).

Duration Class (Abs. and Rel.) Histogram

../../_images/JJJohnson_Walkin'_DURCLASS_hist.png

Relative duration classes are based on the duration of the beat. Absolute duration classes are based on 120 bpm. See here for a definition of classes.

Midlevel Analysis Main Types Histogram

../../_images/JJJohnson_Walkin'_MLA_hist.png

Midlevel analysis is a qualitative annotation system of playing ideas, with nine different main categories, as defined in our paper

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